Single_salt:IC

## tibble [17 x 4] (S3: tbl_df/tbl/data.frame)
##  $ navn      : num [1:17] 0 1 1 1 2 2 2 3 3 3 ...
##  $ Na  [mg/l]: num [1:17] 82 77 77 61 80 80 63 85 85 66 ...
##  $ Cl  [mg/l]: num [1:17] 131 117 118 97 120 120 100 127 125 105 ...
##  $ ...4      : chr [1:17] "Feed" "Feed" "Retentate" "Permeate" ...

## tibble [17 x 4] (S3: tbl_df/tbl/data.frame)
##  $ navn      : num [1:17] 0 1 1 1 2 2 2 3 3 3 ...
##  $ Ca  [mg/l]: num [1:17] 119 118 115 45 132 133 49 150 150 54 ...
##  $ Cl  [mg/l]: num [1:17] 216 223 220 106 246 248 109 277 265 121 ...
##  $ ...4      : chr [1:17] "Feed" "Feed" "Retentate" "Permeate" ...

## tibble [17 x 4] (S3: tbl_df/tbl/data.frame)
##  $ navn        : num [1:17] 0 1 1 1 2 2 2 3 3 3 ...
##  $ SiO2  [mg/l]: num [1:17] 64.1 60.7 62 52.8 60.3 62.7 55.5 63.6 63.9 54.7 ...
##  $ Na  [mg/l]  : num [1:17] 47.6 48.5 48.3 21.1 53 52.7 24.4 59.5 58.9 27 ...
##  $ ...4        : chr [1:17] "Feed" "Feed" "Retentate" "Permeate" ...